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Q. What is compound?
A compound is a substance which consists of two or more elements chemically combined. The elements in a compound aren't simply mingled together as they are in a mixture. In its place they are combined in a way such that the compound has properties that are different from those of the elements of which it is composed. Every compound is represented by a formula a combination of the symbols of the elements that make up the compounds. You may already recognize some chemical formulas such as H2O for water, NaCl for table salt and NH3 for ammonia.
Vulcanization of rubber The procedure of heating natural rubber with sulphur to enhance its properties is known as vulcanization. Vulcanization was illustrated by Charles Goody
The order of a reaction is occasionally changed by conditions. Consider a chemical reaction between two substances where one reactant is there in large excess. During the hydrolysi
The configuration 1s 2 2s 2 2p 5 3s 1 shows: (1) Excited state of O 2 - (2) Excited state of neon (3) Excited state of fluorine (4) Ground state of fluorine ato
Which of the following are isoelectronic species I= CH + 3 , II-NH 2 , III- NH + 4 , IV-NH 3 (1) I, II, III (2) II, III, IV (3) I, II
I UNDERSTAND THE CONCEPT. I AM CONFUSED ABOUT A SPECIFIC EQUATION OR FORMULA TO SHOW HOW THE BONDS ARE BROKEN THROUGH HYDROLYSIS.
In this synthesis of indole the addition of keto thioether to choloroamine to give sulphonium ion. this reaction is carried out at low temperature . why?
a) Calculate the energy required to heat 1kg of CO 2 from 400 o C to 600 o C at a constant pressure of 1atm using:- i) The mean heat capacity data given below ii) The heat c
Explain the two peaks in the diagram. How can a living cell control the position of the second peak to adapt the properties of its membrane to the demands of life? In blood, li
How Dalton''s Atomic theory explains these laws..
Q. Calculate the specific heat of strange metal? Ans. You found a 50.0 sample of an unknown metal while you were scuba diving near the remains of anancient ship wreck. To test
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